Bureau of Labor Statistics - Jo-Ann L. Yu
The BLS collects information on the U.S. labor force, the economy, etc. Includes "The Economy at a Glance," press releases with relevant statistics, timeseries of various data, regional data, various publications, and information about jobs in the bureau.
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Buses on Quantum Schedules - Ivars Peterson (MathTrek)
Anyone who has waited for a bus in the city has probably casually observed that, after an inordinately long wait, two or three buses often come along at the same time. Mathematical models that simulate traffic flow confirm that bus bunching is a real
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Carl's Teaching Blog - Carl Oliver
Blog by a New York City transfer school teacher "documenting the steps I take, and the progress I make, towards becoming the best teacher I can be." Posts, which date back to April, 2014, have included previews of Oliver's lessons for the week and "Carl's
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Central Bureau of Statistics - The State of Israel
The Israeli agency in charge of collecting official statistics. Site includes a description of the bureau, its legal basis, and graphs and tables of key economic figures. Tables and timeseries of socio-economic, climate, and environmental data are also
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The Chaosgruppe - Sperl, Rast
A non-profit scientific Association for direct support of current research projects and dialogue between faculties and interested amateurs about phenomena of nonlinear dynamics and pattern formation. The association produces a Who's Who Handbook of nonlinear
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ChartsBin - ChartsBin.com
A web-based data visualization tool for making, embedding, and exporting interactive visualizations out of your own data. Register to create your own graphic or browse ChartsBin's public gallery for "Starting Age of Compulsory Education around the World,"
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ChiPrime
From the makers of the Android apps Grade School Math X and High School Math Challenge: auto-scoring quizzes comparable to the quantitative section of the SATs, GREs, and GMATs; notes on logarithms, algebraic identities, exponents, quadratic equations,
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ClassZone - McDougal Littell, Publishers
In ClassZone, McDougal Littell has gathered together all of its activities, interactive online resources, research links, chapter quizzes, and other materials that support its popular middle and high school mathematics textbooks, such as Integrated Math
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Clutch Hitting - Elan Fuld
Download the PDF of a study examining whether clutch (or choke) hitters exist in professional baseball. Using play-by-play data, Fuld found substantial evidence that clutch hitters exist in Major League Baseball, when sacrifice flies are considered as
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CMP Unit Organizers - Art Mabbott
To introduce students to new units from the Connected Mathematics Project (CMP), Art Mabbott has developed a set of Unit Organizers. Adapting work done by B. Keith Lenz, of the University of Nebraska, Mabbott has also shared his MS Word documents with
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Computer-Based Assessment - Univ. of Wolverhampton (UK)
Designed to replace written tests. Each test generates an exam randomly from a possible 80,000 variations and then delivers, marks and gives feedback on it. Tests are now available free for others to use and include: basic statistics test (topics include
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